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#include <bits/stdc++.h>

using namespace std;

#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return {i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
  ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
  *this << "[";
  for (c it = d.b; it != d.e; ++it)
    *this << ", " + 2 * (it == d.b) << *it;
  ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(x...) " [" #x ": " << (x) << "] "

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
template <typename A, typename B>
using unordered_map2 = __gnu_pbds::gp_hash_table<A, B>;
using namespace __gnu_pbds;
template <typename T> using ordered_set =
  __gnu_pbds::tree<T, __gnu_pbds::null_type, less<T>, __gnu_pbds::rb_tree_tag,
                   __gnu_pbds::tree_order_statistics_node_update>;
// ordered_set<int> s; s.insert(1); s.insert(2);
// s.order_of_key(1);    // Out: 0.
// *s.find_by_order(1);  // Out: 2.

using ld = long double;
using ll = long long;

constexpr int mod = 1000 * 1000 * 1000 + 7;
constexpr int odw2 = (mod + 1) / 2;

void OdejmijOd(int& a, int b) { a -= b; if (a < 0) a += mod; }
int Odejmij(int a, int b) { OdejmijOd(a, b); return a; }
void DodajDo(int& a, int b) { a += b; if (a >= mod) a -= mod; }
int Dodaj(int a, int b) { DodajDo(a, b); return a; }
int Mnoz(int a, int b) { return (ll) a * b % mod; }
void MnozDo(int& a, int b) { a = Mnoz(a, b); }
int Pot(int a, ll b) { int res = 1; while (b) { if (b % 2 == 1) MnozDo(res, a); a = Mnoz(a, a); b /= 2; } return res; }
int Odw(int a) { return Pot(a, mod - 2); }
void PodzielDo(int& a, int b) { MnozDo(a, Odw(b)); }
int Podziel(int a, int b) { return Mnoz(a, Odw(b)); }
int Moduluj(ll x) { x %= mod; if (x < 0) x += mod; return x; }

template <typename T> T Maxi(T& a, T b) { return a = max(a, b); }
template <typename T> T Mini(T& a, T b) { return a = min(a, b); }

constexpr int nax = 3105;
uint64_t dane[2][nax / 64];

int Licz(const char sn[nax], const char sm[nax], const uint64_t sn_bit[26][nax / 64], const uint64_t sm_bit[26][nax / 64], int an, int bn, int am, int bm) {
  if (bn - an > bm - am) return Licz(sm, sn, sm_bit, sn_bit, am, bm, an, bn);
  debug() << "Licz(" imie(an) imie(bn) imie(am) imie(bm) ")";
  const int A = am / 64;
  const uint64_t Amaska = ~((1llu << (am % 64)) - 1);
  const int B = bm / 64;
  const uint64_t Bmaska = (((1llu << (bm % 64)) - 1) << 1) + 1;
  #ifdef LOCAL
  debug() << imie(A) imie(bitset<64>(Amaska));
  debug() << imie(B) imie(bitset<64>(Bmaska));
  #endif
  for (int i = A; i <= B; i++) {
    dane[0][i] = 0;
  }
  int w = 0;
  for (int i = an; i <= bn; i++) {
    w ^= 1;

    if (A == B) {
      const int j = A;
      uint64_t literki = sm_bit[sn[i] - 'a'][j];
      if (j == A) literki &= Amaska;
      if (j == B) literki &= Bmaska;
      #ifdef LOCAL
      debug() << imie(i) imie(sn[i]) imie(bitset<64>(literki));
      #endif

      const uint64_t row = dane[w ^ 1][A];
      #ifdef LOCAL
      debug() << imie(bitset<64>(((row))));
      #endif
      const uint64_t x = row | literki;
      const uint64_t new_row =
          x & ((x - ((row << 1) | (1llu << (am % 64)))) ^ x);
      dane[w][A] = new_row;
      #ifdef LOCAL
      debug() << imie(bitset<64>(new_row));
      #endif
      continue;
    }

    uint64_t carry_shift = 1llu << (am % 64);
    uint64_t carry_diff = 0;
    for (int j = A; j <= B; j++) {

      uint64_t literki = sm_bit[sn[i] - 'a'][j];
      if (j == A) literki &= Amaska;
      if (j == B) literki &= Bmaska;
      #ifdef LOCAL
      debug() << imie(i) imie(sn[i]) imie(bitset<64>(literki));
      #endif

      const uint64_t row = dane[w ^ 1][j];
      const uint64_t x = row | literki;

      #ifdef LOCAL
      debug() << imie(bitset<64>(((row)))) imie(bitset<64>(carry_shift)) imie(bitset<64>(carry_diff));
      #endif

      const uint64_t row_przes = (row << 1) | carry_shift;
      if (row & (1llu << 63)) carry_shift = 1llu;
      else carry_shift = 0llu;
      const uint64_t tmp = x - row_przes - carry_diff;
      if (x - row_przes - carry_diff > x) {
        carry_diff = 1;
      } else {
        carry_diff = 0;
      }
      const uint64_t new_row = (tmp ^ x) & x;
      dane[w][j] = new_row;

      #ifdef LOCAL
      debug() << imie(bitset<64>(new_row)) imie(bitset<64>(carry_shift)) imie(bitset<64>(carry_diff));
      #endif
    }
  }
  int wynik = 0;
  for (int j = A; j <= B; j++) {
    wynik += __builtin_popcountll(dane[w][j]);
  }
  return wynik;
}

char sn[nax];
char sm[nax];
uint64_t sm_bit[26][nax / 64];
uint64_t sn_bit[26][nax / 64];

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n, m, q;
  cin >> n >> m >> q;
  for (int i = 0; i < n; i++) {
    cin >> sn[i];
    sn_bit[sn[i] - 'a'][i / 64] |= (1llu << (i % 64));
  }
  for (int i = 0; i < m; i++) {
    cin >> sm[i];
    sm_bit[sm[i] - 'a'][i / 64] |= (1llu << (i % 64));
  }
  while (q--) {
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    a--; b--; c--; d--;
    assert(0 <= a and a <= b and b < n);
    assert(0 <= c and c <= d and d < m);
    cout << Licz(sn, sm, sn_bit, sm_bit, a, b, c, d) << "\n";
  }
  return 0;
}